Mamiya, Hiroaki
Oba, Yojiro
Terada, Noriki http://orcid.org/0000-0002-8676-5586
Watanabe, Norimichi
Hiroi, Kosuke
Shinohara, Takenao
Oikawa, Kenichi
Article History
Received: 4 September 2017
Accepted: 2 November 2017
First Online: 14 November 2017
Competing Interests
: The authors declare that they have no competing interests.